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A misbehaving DivIDE 57c (Now repaired)Hello there my fellow WoS'ers Indeed it has been a while since my last post, please let me wish you all a (belated) Happy New Year, my this year bri…
... the M1 line of the Z80 in the Spectrums is faulty ... brand new Z80 in the socket and redo the test. Or if ... any other device with NMI, test if they work with the ... Spectrums. If not, replace the Z80 CPUs. -
A misbehaving DivIDE 57c (Now repaired)Hello there my fellow WoS'ers Indeed it has been a while since my last post, please let me wish you all a (belated) Happy New Year, my this year bri…
... same problem.
[B]Test Equipment[/B]
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Z80 CPU with Good M1 and ... works with all the other test equipment
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[B][I]Continuity test the NMI [/I][/B]
divIDE x Spectrum clonesAnyone has a Spectrum clone and did a test with divIDE? Here in Brazil we have 2 Spectrum clones (TK90X and TK95) that are almost 95-99% compatible w…
TK90X is compatible with ZX48. Only rom is modified. I test this rom image in ZX emulator with DivIDE support and work correct. If DIVIDE not work with your TK90X then can be bad CPU Z80...divIDE x Spectrum clonesAnyone has a Spectrum clone and did a test with divIDE? Here in Brazil we have 2 Spectrum clones (TK90X and TK95) that are almost 95-99% compatible w…
... !
Didn?t work (changing Z80 and(or) disabling the pin ... special DIVIDE allram mode. Please test if this system is possible ...A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... you want to compile the z80 libraries yourself :- this includes compiling ... />
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Let's test the install! This will be ...New tool: SnapToTap R2it's basically a gui update to VSC. But it's now simpler to convert sna files into tap files. what is special about SnapToTap? it converts snapshots…
... command line app for converting z80 snapshots to run from a ... snapshots, I just need to test it a bit with the ...Broken +2 (Grey), need helpHello, I got a broken +2, and as I have tons of them working, I want to repair it without fear :D When I power up the machine the I see a horizontal…
... of other +2's to test so I start to replace ... horizontal bars image is typical z80 fault, and also friends at ... I go straight to the z80. I'll check it again ...MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... =http://www.z80.info/zip/z80-documented.pdf]The Undocumented Z80 Documented[/url ... back as Gerton Lunter's Z80. Is that not the case ... means you can pass a test suite that includes BIT n ... which is undocumented in the Z80 manuals. The code does something ...MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... of their way to deliberately test it. So much so that ... unofficial Russian clones of the Z80 CPU do not show the ...Quick OpCode Q...Leet emulat0r makerz.... I've seen two versions for this set of OpCodes, obviously they are undocumented.... FDCB d 40 BIT 0,(IY+d) (From Seans z80…
FDCB d 40 BIT 0,(IY+d) (From Seans z80 doc)
The instruction is to test bit 0 of (IY+d)
Dunno what the B is supposed to be for in the other instruction.
